Automatic shampoo machine



FIG. 1 is a perspective view of an automatic shampoo machine showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a perspective view thereof showing a state with a hood opens. 

The ornamental design for an automatic shampoo machine, as shown and described. 